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.bashrc.virtualenvwrapper
# Dynamically load virtualenvwrapper functions to reduce shell startup
# time.
#
# Copyright 2012 Aron Griffis <aron@arongriffis.com>
# Released under the GNU GPL v3
#######################################################################
# Python virtualenvwrapper loads really slowly, so load it on demand.
if [[ $(type -w workon) != "workon: function" ]]; then
virtualenv_funcs=( workon deactivate mkvirtualenv )
load_virtualenv() {
# If these already exist, then virtualenvwrapper won't override them.
unset -f "${virtualenv_funcs[@]}"
# virtualenvwrapper doesn't load if PYTHONPATH is set, because the
# virtualenv python doesn't have the right modules.
declare _pp="$PYTHONPATH"
unset PYTHONPATH
# Attempt to load virtualenvwrapper from its many possible sources...
_try_source() { [[ -f $1 ]] || return; source "$1"; return 0; }
_try_source /usr/local/bin/virtualenvwrapper.sh || \
_try_source /etc/bash_completion.d/virtualenvwrapper || \
_try_source /usr/bin/virtualenvwrapper.sh
return_status=$?
unset -f _try_source
# Restore PYTHONPATH
[[ -n $_pp ]] && export PYTHONPATH="$_pp"
# Did loading work?
if [[ $return_status != 0 || $(type -w "$1") != "$1: function" ]]; then
echo "Error loading virtualenvwrapper, sorry" >&2
return $return_status
fi
# Chain-load the appropriate function
"$@"
}
for v in "${virtualenv_funcs[@]}"; do
eval "$v() { load_virtualenv $v \"\$@\"; }"
done
fi
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